Home / 231,061.10-346,591.65-112,808.30

Finding the Fourth Proportional to 231,061.10, 346,591.65 and 112,808.30

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Solution

The fourth proportional to 231,061.10, 346,591.65 and 112,808.30 is: 169,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,061.10 : 346,591.65 = 112,808.30 : x
  2. Step 2: Convert to fraction form
    231,061.10/346,591.65 = 112,808.30/x
  3. Step 3: Cross multiply
    231,061.10x = 346,591.65 × 112,808.30
  4. Step 4: Simplify right side
    231,061.10x = 39,098,414,830.70
  5. Step 5: Solve for x
    x = 39,098,414,830.70/231,061.10
  6. Step 6: Final answer
    x = 169,212.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.